EP0266514B1 - Plastic sandwich body element for a motor vehicle - Google Patents

Plastic sandwich body element for a motor vehicle Download PDF

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Publication number
EP0266514B1
EP0266514B1 EP87113070A EP87113070A EP0266514B1 EP 0266514 B1 EP0266514 B1 EP 0266514B1 EP 87113070 A EP87113070 A EP 87113070A EP 87113070 A EP87113070 A EP 87113070A EP 0266514 B1 EP0266514 B1 EP 0266514B1
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EP
European Patent Office
Prior art keywords
outer part
inner part
areas
adhesive
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87113070A
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German (de)
French (fr)
Other versions
EP0266514A2 (en
EP0266514A3 (en
Inventor
Hans Vogt
Richard C. Mckechnie
Malcolm H. Russell
Derek F. Gentle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor Co
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Application filed by Ford Werke GmbH, Ford France SA, Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Werke GmbH
Publication of EP0266514A2 publication Critical patent/EP0266514A2/en
Publication of EP0266514A3 publication Critical patent/EP0266514A3/en
Application granted granted Critical
Publication of EP0266514B1 publication Critical patent/EP0266514B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
    • B60J5/107—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans constructional details, e.g. about door frame, panels, materials used, reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • B60S1/58—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for rear windows
    • B60S1/583—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens for rear windows including wiping devices

Definitions

  • the invention relates to a double-walled body component made of plastic for motor vehicles, in particular to a door or tailgate component of the type explained in the preamble of claim 1.
  • a door or tailgate component of the type explained in the preamble of claim 1.
  • Such a component is known from DE-A-1655650.
  • a double-walled body component made of plastic for motor vehicles, in particular a tailgate component of the type explained in the preamble of claim 1, has already become known from the magazine "Automobil-Revue" No. 36 from August 29, 1985.
  • EP-A-0.111.457 discloses a double-walled plastic body component for motor vehicles, in particular a tailgate, in which an outer part molded from a thermoplastic material is provided with a multiplicity of reinforcing ribs and only in the lower area with an inner part of the same type Screws is connected.
  • This known body component has the disadvantage that it is only single-walled in its upper frame areas and it must accordingly be provided with metallic reinforcing parts for receiving the hinge and support fittings of the tailgate.
  • a double-walled body component made of plastic for motor vehicles is known, which is made of a plastic in a reaction injection molding process and which has an outer part and an inner part, the outer and inner edge areas touching each other from flat mounting areas and themselves there are, for example, adjacent web areas extending perpendicularly thereto, are connected by means of an adhesive application.
  • tailgate components made of plastic with an inner part with a channel-shaped cross-section are known, the inner part by gluing to an outer part, which is essentially formed by a corresponding glass pane , is added to a double-walled body component.
  • the object of the invention is to improve a double-walled body component made of plastic for motor vehicles, in particular a door or tailgate component of the type explained in the preamble of claim 1 in such a way that the two parts molded from thermoplastic material, the outer part and the inner part with simple adhesive or adhesive welding processes can be connected to one another and form a double-walled body component of such rigidity that the arrangement of metallic reinforcements can largely be dispensed with.
  • this object is achieved in that a double-walled body component made of plastic for motor vehicles, in particular a door or tailgate component explained in the preamble of claim 1 Type having the features shown in the characterizing part of claim 1.
  • the contacting edge areas of the outer part and the inner part each consist of a flat connection area with an adjacent land area, a wide open channel cross-section for the application of the adhesive is formed, which allows a perfect alignment of the outer part to the inner part, an escape of excess adhesive Enabled in the non-visible edge areas and after the adhesive bond has hardened, it can be subjected to shear not only in the direction of the plane of the two components but also in the vertical direction.
  • the adhesive connection of the glass pane is lowered and the glass pane lies flush with the body surface and forms the edge web a stop edge for the glass pane and an inner cover for the adhesive connection.
  • the inner part is funnel-shaped in the direction of the outer part having a lock cylinder receptacle and has a sleeve extension which extends concentrically with the lock cylinder receptacle and which centers the outer part and inner part with the lock cylinder receptacle is latched and / or glued or welded and on the inner part to the outer part inner surface parallel circumferential surface areas are provided, which are also connected to the outer part by possible application of adhesive, parts of the body component that are subjected to higher loads are expediently reinforced, so that additional sheet metal reinforcements are not required can.
  • the inner part is funnel-shaped in concentric areas in the direction of the outer part having a wiper shaft receptacle and is provided with circumferential surface areas lying parallel to the outer part inner surface, via which it is connected to the outer part by adhesive is, this highly stressed area of the body component can be reinforced so securely that there is no need for sheet metal holders for the wiper motor.
  • an outwardly projecting hinge part formed from a plurality of web brackets is formed on the inner part, which is supported by stiffening webs running in the channel-shaped region of the inner part, can also be used for the necessary hinge arrangement on the attachment of metallic fitting parts including screws, nuts and the like. to be dispensed with.
  • the tailgate 1 of a motor vehicle shown in FIG. 1 essentially consists of an outer part 2 injection molded from thermoplastic material and an inner part 3 likewise produced.
  • the outer part 2 has an essentially smooth-surface shape, as is desired for the outer contour of a body component, while the inner part has a channel-shaped cross-section of different dimensions all around.
  • outer edge regions 4 running on their outer circumferences and inner edge regions running along their inner circumferences, which lie against one another, by an adhesive application 6 or by adhesive welding.
  • outer and inner edge regions 4 and 5 of the two components, outer part 2 and inner part 3, each have a flat connecting region 7 or 8 and 9 or 10 adjacent to which a web region 11 or 12 is provided on one of the components.
  • connection areas can ensure that e.g. the required oscillation of the edge areas of the two components is possible for the application of a friction adhesive welded joint.
  • the use of ultrasonic adhesive welded joints is also possible.
  • the inner edge regions 5 on the outer part 2 and on the inner part 3 are provided for receiving a pane arrangement 13 and the outer part 2 is for this purpose with a circumference of the window opening encircling depression 14 and the inner part 3 is provided with a peripheral web 15 encircling the periphery of the window opening and comprising the lowered edge region 10 to the outside.
  • FIG. 3 again shows the arrangement of the panes in the region of the connection of the inner edge regions between the outer part 2 and the inner part 3, reinforcing ribs 17 extending perpendicularly thereto being shown in the channel-shaped cross section of the inner part 3.
  • the area of a lock arrangement 18 can be seen from FIG.
  • the outer part 2 is provided with a lock cylinder receptacle 19, while the inner part 3 is funnel-shaped in the direction of the outer part 2 and has a sleeve extension 20 which extends concentrically with the lock cylinder receptacle 19 and which centers the outer part 2 and the inner part 3 with one another with the lock cylinder receptacle 19 is locked and / or glued or welded and parallel to the inner part 3 to the outer part inner surface areas 21 are provided, by means of which the inner part 3 can be additionally connected to the outer part 2 by a possible application of adhesive or by adhesive welding.
  • the funnel-shaped indentation of the inner part 3 can be covered towards the vehicle interior by means of a cardboard cover 22.
  • 3 access openings 23 can be provided on the inner part for the laying of actuating rods, as well as brackets 24 and receptacles 25 for the actuating and locking devices.
  • FIG. 5 shows the design of the outer part 2 in connection with the inner part 3 in the area of a windshield wiper motor arrangement 26.
  • the outer part 2 is provided with a wiper shaft receptacle 27 and the inner part 3 is again funnel-shaped in the direction of the outer part 2 in such a way that it lies in two approximately concentric areas 29 and 30 parallel to the outer part inner surface and by applying adhesive 30 or is connected to the outer part 2 by adhesive welding.
  • the direct attachment of the windshield wiper motor 26 to the inner part 3 can eliminate the noise insulation previously required.
  • the inner part 3 is provided with a multiplicity of web tabs 33, which are each connected to one another at a base 34 and are connected to the outer part 2 via an adhesive application 35 or an adhesive welded connection.
  • These web links 33 can be connected via a normal hinge pin 36 to a conventional hinge fitting 37, which can be fastened to the body of the motor vehicle in a conventional manner.
  • the support fitting 38 consists essentially of a ball head 39 and a mandrel or bolt extension 40, the surface of which is knurled, toothed with thread, or can be roughened in some other way and which is fastened to the inner wall of the inner part 3 by supporting webs 41 extending by heat sinking or screwing in becomes.
  • connection shown in Figure 4 between the outer part 2 and the inner part 3 via the interlocked sleeve sections, the lock cylinder receptacle 19 and the sleeve extension 20 form a secure support of the lock cylinder against an attempt to break open by pushing the lock cylinder.
  • a bracket 24 for mounting an actuating linkage on the inner part 3 can also be formed adjacent to the sleeve extension 20.

Description

Die Erfindung bezieht sich auf ein doppelwandiges Karosseriebauteil aus Kunststoff für Kraftfahrzeuge, insbesondere auf ein Tür- oder Heckklappen-Bauteil der im Oberbegriff des Patentanspruches 1 erläuterten Art. Ein derartiges Bauteil ist aus der DE-A-1655650 bekannt.The invention relates to a double-walled body component made of plastic for motor vehicles, in particular to a door or tailgate component of the type explained in the preamble of claim 1. Such a component is known from DE-A-1655650.

Ein doppelwandiges Karosseriebauteil aus Kunststoff für Kraftfahrzeuge, insbesondere ein Heckklappen-Bauteil der im Oberbegriff des Patentanspruches 1 erläuterten Art ist bereits aus der Zeitschrift "Automobil-Revue" Nr. 36 vom 29.08.1985 bekanntgeworden.A double-walled body component made of plastic for motor vehicles, in particular a tailgate component of the type explained in the preamble of claim 1, has already become known from the magazine "Automobil-Revue" No. 36 from August 29, 1985.

Bei diesem doppelwandigen Karosseriebauteil wurde ein aus einem thermoplastischen Kunststoffmaterial gespritztes Außenteil mit einem Innenteil durch ein sogenanntes Warmeinsenkverfahren miteinander verklebt.In this double-walled body component, an outer part injection molded from a thermoplastic material was glued to one another by a so-called heat sink process.

Ein solches Warmeinsenkverfahren ist verhältnismäßig aufwendig und teuer und dementsprechend für den Einsatz in der Großserienfertigung nicht optimal geeignet.Such a heat sinking process is relatively complex and expensive and, accordingly, is not optimally suited for use in large series production.

Aus der EP-A- 0.111.457 ist ein doppelwandiges Karosseriebauteil aus Kunststoff für Kraftfahrzeuge, insbesondere eine Heckklappe bekannt, bei der ein aus einem thermoplastischen Kunststoffmaterial gespritztes Außenteil mit einer Vielzahl von Verstärkungsrippen versehen ist und nur in einem unteren Bereich mit einem ebensolchen Innenteil durch Schrauben verbunden wird.EP-A-0.111.457 discloses a double-walled plastic body component for motor vehicles, in particular a tailgate, in which an outer part molded from a thermoplastic material is provided with a multiplicity of reinforcing ribs and only in the lower area with an inner part of the same type Screws is connected.

Dieses bekannte Karosseriebauteil weist den Nachteil auf, daß es in seinen oberen Rahmenbereichen nur einwandig ist und es dementsprechend mit metallischen Verstärkungsteilen zur Aufnahme der Scharnier- und Abstützbeschläge der Heckklappe versehen werden muß.This known body component has the disadvantage that it is only single-walled in its upper frame areas and it must accordingly be provided with metallic reinforcing parts for receiving the hinge and support fittings of the tailgate.

Aus der DE-A-16 55 650 ist ein doppelwandiges Karosseriebauteil aus Kunststoff für Kraftfahrzeuge bekannt, das aus einem Kunststoff im Reaktionsspritzgußverfahren hergestellt wird und das ein Außenteil und ein Innenteil aufweist, die über sich berührende äußere und innere Randbereiche aus jeweils ebenen Befestigungsbereichen und sich etwa senkrecht hierzu erstreckenden, benachbarten Stegbereichen bestehen, mittels eines Klebeauftrages verbunden werden.From DE-A-16 55 650 a double-walled body component made of plastic for motor vehicles is known, which is made of a plastic in a reaction injection molding process and which has an outer part and an inner part, the outer and inner edge areas touching each other from flat mounting areas and themselves there are, for example, adjacent web areas extending perpendicularly thereto, are connected by means of an adhesive application.

Bei diesen bekannten doppelwandigen Karosseriebauteilen ist jedoch die Verbindung eines solchen Karosseriebauteiles im Bereich von Scheibenöffnungen nicht erläutert. Dementsprechend sind auch keine Maßnahmen aufgezeigt, mit denen der Klebeauftrag in günstiger Weise örtlich festgelegt wird und ein störendes Hervorquellen im Sichtbereich von Glasscheiben vermieden werden kann.In these known double-walled body components, however, the connection of such a body component in the area of window openings is not explained. Accordingly, no measures are shown with which the adhesive application is fixed in a favorable manner and a disturbing bulging out in the field of vision of glass panes can be avoided.

Fortsetzung der Beschreibung vom 15. September 1987, Seite 2, Absatz 2, fortfolgend.Continuation of the description of September 15, 1987, page 2, paragraph 2.

Aus der DE-C- 32 36 166 und der DE-A- 32 45 710 sind Heckklappen-Bauteile aus Kunststoff mit einem Innenteil mit kanalförmigem Querschnitt bekannt, wobei das Innenteil durch Verkleben mit einem Außenteil, das im wesentlichen von einer entsprechenden Glasscheibe gebildet wird, zu einem doppelwandigen Karosseriebauteil ergänzt wird.From DE-C-32 36 166 and DE-A-32 45 710 tailgate components made of plastic with an inner part with a channel-shaped cross-section are known, the inner part by gluing to an outer part, which is essentially formed by a corresponding glass pane , is added to a double-walled body component.

Bei diesen bekannten Heckklappen-Bauteilen schränkt das als Glasscheibe ausgebildete Außenteil die stilistischen Gestaltungsmöglichkeiten der Heckklappe in erheblichem Maße ein.In these known tailgate components, the outer part designed as a glass pane restricts the stylistic design options of the tailgate to a considerable extent.

Die Aufgabe der Erfindung ist es, ein doppelwandiges Karosseriebauteil aus Kunststoff für Kraftfahrzeuge, insbesondere ein Tür- oder Heckklappen-Bauteil der im Oberbegriff des Patentanspruches 1 erläuterten Art derart zu verbessern, daß die beiden aus thermoplastischem Kunststoffmaterial gespritzten Teile, das Außenteil und das Innenteil mit einfachen Klebe- oder Klebeschweißverfahren miteinander verbunden werden können und einen doppelwandigen Karosseriebauteil von solcher Steifigkeit bilden, daß auf die Anordnung von metallischen Verstärkungen weitgehend verzichtet werden kann.The object of the invention is to improve a double-walled body component made of plastic for motor vehicles, in particular a door or tailgate component of the type explained in the preamble of claim 1 in such a way that the two parts molded from thermoplastic material, the outer part and the inner part with simple adhesive or adhesive welding processes can be connected to one another and form a double-walled body component of such rigidity that the arrangement of metallic reinforcements can largely be dispensed with.

Gemäß der Erfindung wird diese Aufgabe gelöst, indem ein doppelwandiges Karosseriebauteil aus Kunststoff für Kraftfahrzeuge, insbesondere ein Tür- oder Heckklappen-Bauteil der im Oberbegriff des Patentanspruches 1 erläuterten Art die im Kennzeichenteil des Patentanspruches 1 aufgezeigten Merkmale aufweist.According to the invention, this object is achieved in that a double-walled body component made of plastic for motor vehicles, in particular a door or tailgate component explained in the preamble of claim 1 Type having the features shown in the characterizing part of claim 1.

In den Ansprüchen 2 bis 9 sind weitere zweckmäßige Einzelheiten der Erfindung aufgezeigt.Claims 2 to 9 show further expedient details of the invention.

Dadurch, daß die sich berührenden Randbereiche des Aussenteiles und des Innenteiles jeweils aus einem ebenen Verbindungsbereich mit einem benachbarten Stegbereich bestehen, wird jeweils ein weit offener Kanalquerschnitt zur Einbringung des Kleberauftrages gebildet, der ein einwandfreies Ausrichten von Außenteil zu Innenteil zuläßt, ein Austreten von überschüssigem Kleber in den nicht sichtbaren Randbereichen ermöglicht und nach dem Aushärten der Klebeverbindung kann diese nicht nur in Richtung der Ebene der beiden Bauteile sondern auch in senkrechter Richtung hierzu auf Scherung beansprucht werden.Due to the fact that the contacting edge areas of the outer part and the inner part each consist of a flat connection area with an adjacent land area, a wide open channel cross-section for the application of the adhesive is formed, which allows a perfect alignment of the outer part to the inner part, an escape of excess adhesive Enabled in the non-visible edge areas and after the adhesive bond has hardened, it can be subjected to shear not only in the direction of the plane of the two components but also in the vertical direction.

Dadurch, daß die ebenen Randbereiche am Außenteil im Bereich von Scheibenanordnungen durch am Umfang der Scheibenöffnung umlaufende Absenkungen und die ebenen Randbereiche am Innenteil abgesenkt und von einem Randsteg umfaßt sind, wird die Klebeverbindung der Glasscheibe abgesenkt und die Glasscheibe liegt außenbündig zur Karosserieoberfläche und der Randsteg bildet eine Anschlagkante für die Glasscheibe und eine innere Sichtabdeckung für die Klebeverbindung.Characterized in that the flat edge areas on the outer part in the area of pane arrangements are lowered by depressions encircling the circumference of the pane opening and the flat edge areas on the inner part and are surrounded by an edge web, the adhesive connection of the glass pane is lowered and the glass pane lies flush with the body surface and forms the edge web a stop edge for the glass pane and an inner cover for the adhesive connection.

Dadurch, daß im Bereich einer Schloßanordnung am Bauteil das Innenteil trichterförmig in Richtung auf den eine Schließzylinderaufnahme aufweisenden Außenteil geformt ist und einen sich konzentrisch zur Schließzylinderaufnahme erstreckenden Hülsenansatz aufweist, der mit der Schließzylinderaufnahme Außenteil und Innenteil zentrierend verrastet und/oder verklebt oder verschweißt ist und am Innenteil zur Außenteil-Innenfläche parallel liegende, umlaufende Flächenbereiche vorgesehen sind, die durch eventuellen Kleberauftrag zusätzlich mit dem Außenteil verbunden sind, werden höher beanspruchte Teilbereiche des Karosseriebauteiles in zweckmäßiger Weise verstärkt, so daß zusätzliche Blechverstärkungen entfallen können.Characterized in that in the area of a lock arrangement on the component the inner part is funnel-shaped in the direction of the outer part having a lock cylinder receptacle and has a sleeve extension which extends concentrically with the lock cylinder receptacle and which centers the outer part and inner part with the lock cylinder receptacle is latched and / or glued or welded and on the inner part to the outer part inner surface parallel circumferential surface areas are provided, which are also connected to the outer part by possible application of adhesive, parts of the body component that are subjected to higher loads are expediently reinforced, so that additional sheet metal reinforcements are not required can.

Dadurch, daß im Bereich einer Scheibenwischermotor-Anordnung am Bauteil das Innenteil in konzentrischen Bereichen trichterförmig in Richtung auf den eine Wischerwellenaufnahme aufweisenden Außenteil geformt ist und mit zur Aussenteil-Innenfläche parallel liegenden, umlaufenden Flächenbereichen versehen ist, über die er durch Kleber mit dem Außenteil verbunden ist, kann auch dieser hoch beanspruchte Bereich des Karosseriebauteiles so sicher verstärkt werden, daß auf Blechhalter für den Scheibenwischermotor verzichtet werden kann.Characterized in that in the area of a wiper motor arrangement on the component, the inner part is funnel-shaped in concentric areas in the direction of the outer part having a wiper shaft receptacle and is provided with circumferential surface areas lying parallel to the outer part inner surface, via which it is connected to the outer part by adhesive is, this highly stressed area of the body component can be reinforced so securely that there is no need for sheet metal holders for the wiper motor.

Dadurch, daß am Innenteil ein nach außen vorstehendes, aus einer Vielzahl von Steglaschen gebildetes Scharnierteil ausgebildet ist, das über im kanalförmigen Bereich des Innenteiles verlaufende Versteifungsstege abgestützt ist, kann auch für die erforderliche Scharnieranordnung auf die Anbringung metallischer Beschlagteile einschließlich Schrauben, Muttern und dergl. verzichtet werden.The fact that an outwardly projecting hinge part formed from a plurality of web brackets is formed on the inner part, which is supported by stiffening webs running in the channel-shaped region of the inner part, can also be used for the necessary hinge arrangement on the attachment of metallic fitting parts including screws, nuts and the like. to be dispensed with.

Dadurch, daß am Innenteil in dessen kanalförmigen Bereich eine Vielzahl von Stützstegen senkrecht zu einer Innenwand ausgebildet sind, parallel zu der sich die Verankerung eines Abstützbeschlages für eine Gasfederanordnung der Heckklappe erstreckt, kann auch hier ohne metallische Verstärkung die erforderliche Kraftaufnahme sichergestellt werden.The fact that on the inner part in the channel-shaped area a plurality of support webs are formed perpendicular to an inner wall, parallel to which the anchoring of a support fitting for a gas spring arrangement of the tailgate extends, the required force absorption can also be ensured here without metallic reinforcement.

Die Erfindung wird anhand eines in den Zeichnungen gezeigten Ausführungsbeispieles näher erläutert. Es zeigt:

Fig. 1
eine Schrägrißansicht einer Heckklappe gemäß der Erfindung mit der Angabe der Schnitte, die für die Erläuterung der unterschiedlichen Verbindungsbereiche erforderlich sind;
Fig. 2
einen Schnitt entlang der Linie II-II in Fig. 1;
Fig. 3
einen Schnitt entlang der Linie III-III in Fig. 1;
Fig. 4
einen Schnitt entlang der Linie IV-IV in Fig. 1;
Fig. 5
einen Schnitt entlang der Linie V-V in Fig. 1;
Fig. 6
einen Schnitt entlang der Linie VI-VI in Fig. 1;
Fig. 7
eine Ansicht in Richtung des Pfeiles VII in Fig. 6 und
Fig. 8
einen Schnitt entlang der Linie VIII-VIII in Fig. 1.
The invention is explained in more detail using an exemplary embodiment shown in the drawings. It shows:
Fig. 1
a perspective view of a tailgate according to the invention with the specification of the cuts that are necessary for explaining the different connection areas;
Fig. 2
a section along the line II-II in Fig. 1;
Fig. 3
a section along the line III-III in Fig. 1;
Fig. 4
a section along the line IV-IV in Fig. 1;
Fig. 5
a section along the line VV in Fig. 1;
Fig. 6
a section along the line VI-VI in Fig. 1;
Fig. 7
a view in the direction of arrow VII in Fig. 6 and
Fig. 8
a section along the line VIII-VIII in Fig. 1st

Die in Figur 1 gezeigte Heckklappe 1 eines Kraftfahrzeuges besteht im wesentlichen aus einem aus thermoplastischem Kunststoffmaterial gespritzten Außenteil 2 und einem ebenso hergestellten Innenteil 3. Das Außenteil 2 weist eine im wesentlichen glattflächige Formgebung auf, wie sie für die Außenkontur eines Karosseriebauteiles gewünscht wird, während das Innenteil umlaufend einen kanalförmigen Querschnitt von unterschiedlichen Abmessungen aufweist.The tailgate 1 of a motor vehicle shown in FIG. 1 essentially consists of an outer part 2 injection molded from thermoplastic material and an inner part 3 likewise produced. The outer part 2 has an essentially smooth-surface shape, as is desired for the outer contour of a body component, while the inner part has a channel-shaped cross-section of different dimensions all around.

Die beiden Bauteile, das Außenteil 2 und das Innenteil 3 sind miteinander über an ihren Außenumfängen verlaufende äußere Randbereiche 4 und entlang ihrer inneren Umfänge verlaufenden inneren Randbereiche die aneinanderliegen, miteinander durch einen Kleberauftrag 6 oder durch Klebeschweißen verbunden.The two components, the outer part 2 and the inner part 3 are connected to one another via outer edge regions 4 running on their outer circumferences and inner edge regions running along their inner circumferences, which lie against one another, by an adhesive application 6 or by adhesive welding.

Die äußeren und inneren Randbereiche 4 und 5 der beiden Bauteile, Außenteil 2 und Innenteil 3, weisen jeweils einen ebenen Verbindungsbereich 7 bzw. 8 und 9 bzw. 10 auf benachbart denen an einem der Bauteile ein Stegbereich 11 bzw. 12 vorgesehen ist.The outer and inner edge regions 4 and 5 of the two components, outer part 2 and inner part 3, each have a flat connecting region 7 or 8 and 9 or 10 adjacent to which a web region 11 or 12 is provided on one of the components.

Durch die ebenen Verbindungsbereiche 7 bzw. 10 in Verbindung mit den Stegbereichen 11 bzw. 12 werden weite Aufnahmeräume für den Kleberauftrag 6 geschaffen aber dennoch soviel Freiheit zwischen den Bauteilen aufrechterhalten, daß eine einwandfreie Ausrichtung von Außenteil 2 und Innenteil 3 zueinander möglich ist.Through the flat connection areas 7 and 10 in connection with the web areas 11 and 12, wide receiving spaces for the adhesive application 6 are created but still so much freedom is maintained between the components that a perfect alignment of the outer part 2 and inner part 3 is possible.

Darüber hinaus kann durch die Weite der Verbindungsbereiche sichergestellt werden, daß z.B. für die Anwendung einer Reibungs-Klebeschweißverbindung die erforderliche Oszillation der Randbereiche der beiden Bauteile möglich ist. Ebenso ist die Anwendung von Ultraschall-Klebeschweißverbindungen möglich.In addition, the width of the connection areas can ensure that e.g. the required oscillation of the edge areas of the two components is possible for the application of a friction adhesive welded joint. The use of ultrasonic adhesive welded joints is also possible.

Die inneren Randbereiche 5 am Außenteil 2 und am Innenteil 3 sind zur Aufnahme einer Scheibenanordnung 13 vorgesehen und der Außenteil 2 ist hierfür mit einer am Umfang der Scheibenöffnung umlaufenden Absenkung 14 nach innen versehen und das Innenteil 3 ist mit einem am Umfang der Scheibenöffnung umlaufenden, den abgesenkten Randbereich 10 umfassenden Randsteg 15 nach außen versehen.The inner edge regions 5 on the outer part 2 and on the inner part 3 are provided for receiving a pane arrangement 13 and the outer part 2 is for this purpose with a circumference of the window opening encircling depression 14 and the inner part 3 is provided with a peripheral web 15 encircling the periphery of the window opening and comprising the lowered edge region 10 to the outside.

Dadurch ergibt sich ein abgesenkter Raum zur Anbringung des Klebers 16 für die Glasscheibe 13,wodurch die Glasscheibe 13 außenbündig zur Karosserieoberfläche liegt, wobei der Randsteg 15 sowohl eine Anschlagkante für die Glasscheibe 13 als auch eine innere Sichtabdeckung für die Klebeverbindung 16 bildet.This results in a lowered space for attaching the adhesive 16 for the glass pane 13, as a result of which the glass pane 13 is flush with the body surface, the edge web 15 forming both a stop edge for the glass pane 13 and an inner visible cover for the adhesive connection 16.

Aus Figur 3 ist nochmals die Scheibenanorndung im Bereich der Verbindung der inneren Randbereiche zwischen dem Aussenteil 2 und dem Innenteil 3 zu ersehen, wobei im kanalförmigen Querschnitt des Innenteiles 3 sich senkrecht hierzu erstreckende Verstärkungsrippen 17 gezeigt sind.FIG. 3 again shows the arrangement of the panes in the region of the connection of the inner edge regions between the outer part 2 and the inner part 3, reinforcing ribs 17 extending perpendicularly thereto being shown in the channel-shaped cross section of the inner part 3.

Aus Figur 4 ist der Bereich einer Schloßanordnung 18 zu ersehen. Das Außenteil 2 ist hierbei mit einer Schließzylinderaufnahme 19 versehen, während das Innenteil 3 trichterförmig in Richtung auf das Außenteil 2 geformt ist und einen sich konzentrisch zur Schließzylinderaufnahme 19 erstreckenden Hülsenansatz 20 aufweist, der mit der Schließzylinderaufnahme 19 das Außenteil 2 und das Innenteil 3 zueinander zentrierend verrastet und/oder verklebt oder verschweißt ist und am Innenteil 3 zur Aussenteil-Innenfläche parellelliegende Flächenbereiche 21 vorgesehen sind, mittels denen das Innenteil 3 mit dem Außenteil 2 durch einen eventuellen Kleberauftrag oder durch KLebeschweißen zusätzlich verbunden sein kann. Die trichterförmige Einstülpung des Innenteiles 3 kann hierbei zum Fahrzeuginnern hin mittels einer Verkleidungspappe 22 abgedeckt werden.The area of a lock arrangement 18 can be seen from FIG. The outer part 2 is provided with a lock cylinder receptacle 19, while the inner part 3 is funnel-shaped in the direction of the outer part 2 and has a sleeve extension 20 which extends concentrically with the lock cylinder receptacle 19 and which centers the outer part 2 and the inner part 3 with one another with the lock cylinder receptacle 19 is locked and / or glued or welded and parallel to the inner part 3 to the outer part inner surface areas 21 are provided, by means of which the inner part 3 can be additionally connected to the outer part 2 by a possible application of adhesive or by adhesive welding. The funnel-shaped indentation of the inner part 3 can be covered towards the vehicle interior by means of a cardboard cover 22.

Selbstverständlich können am Innenteil 3 Zugangsöffnungen 23 für die Verlegung von Betätigungsgestängen sowie Konsolen 24 und Aufnahmen 25 für die für die Betätigungs-und Verriegelungseinrichtungen vorgesehen werden.Of course, 3 access openings 23 can be provided on the inner part for the laying of actuating rods, as well as brackets 24 and receptacles 25 for the actuating and locking devices.

Aus Figur 5 ist die Ausbildung des Außenteiles 2 in Verbindung mit dem Innenteil 3 in dem Bereich einer Scheibenwischermotor-Anordnung 26 gezeigt. Das Außenteil 2 ist hierbei mit einer Wischerwellenaufnahme 27 versehen und das Innenteil 3 ist wieder trichterförmig in Richtung auf das Außenteil 2 hin verformt und zwar derart, daß es in zwei etwa konzentrischen Bereichen 29 und 30 parallel zur Außenteil-Innenfläche liegt und durch Kleberauftrag 30 oder durch Klebeschweißen mit dem Außenteil 2 verbunden wird. Zwischen den im wesentlichen konzentrischen Bereichen 28 und 29 können in zweckmäßiger Weise Aufnahmen 31 für Befestigungsschrauben 32 der Scheibenwischermotor-Anordnung 26 vorgesehen werden. Durch die unmittelbare Befestigung des Scheibenwischermotors 26 am Innenteil 3 können bisher erforderliche Geräuschisolierungen entfallen.FIG. 5 shows the design of the outer part 2 in connection with the inner part 3 in the area of a windshield wiper motor arrangement 26. The outer part 2 is provided with a wiper shaft receptacle 27 and the inner part 3 is again funnel-shaped in the direction of the outer part 2 in such a way that it lies in two approximately concentric areas 29 and 30 parallel to the outer part inner surface and by applying adhesive 30 or is connected to the outer part 2 by adhesive welding. Between the essentially concentric regions 28 and 29, receptacles 31 for fastening screws 32 of the windshield wiper motor arrangement 26 can be provided in a suitable manner. The direct attachment of the windshield wiper motor 26 to the inner part 3 can eliminate the noise insulation previously required.

Aus den Figuren 6 und 7 ist die Ausbildung der Scharnieranordnung der Heckklappe zu ersehen. Das Innenteil 3 ist hierzu mit einer Vielzahl von Steglaschen 33 versehen, die jeweils an einer Basis 34 miteinander verbunden sind und über einen Kleberauftrag 35 oder eine Klebeschweißverbindung mit dem Außenteil 2 verbunden sind. Diese Steglaschen 33 können über einen normalen Scharnierbolzen 36 mit einem herkömmlichen Scharnierbeschlag 37 verbunden werden, der in herkömmlicher Weise an der Karosserie des Kraftfahrzeuges befestigt werden kann.The design of the hinge arrangement of the tailgate can be seen from FIGS. 6 and 7. For this purpose, the inner part 3 is provided with a multiplicity of web tabs 33, which are each connected to one another at a base 34 and are connected to the outer part 2 via an adhesive application 35 or an adhesive welded connection. These web links 33 can be connected via a normal hinge pin 36 to a conventional hinge fitting 37, which can be fastened to the body of the motor vehicle in a conventional manner.

Aus Figur 8 ist die Befestigung eines Abstützbeschlages 38 für eine Gasfeder für die Heckklappe des Kraftfahrzeuges zu ersehen. Der Abstützbeschlag 38 besteht im wesentlichen aus einem Kugelkopf 39 und einem Dorn- oder Bolzenansatz 40, dessen Oberfläche gerändelt, gezahnt mit Gewinde versehen, oder sonstwie aufgerauht sein kann und der durch Heißeinsenken oder einschrauben an sich senkrecht zur Innenwand des Innenteiles 3 erstreckenden Stützstegen 41 befestigt wird.From Figure 8 is the attachment of a support bracket 38 for a gas spring for the tailgate of the motor vehicle to see. The support fitting 38 consists essentially of a ball head 39 and a mandrel or bolt extension 40, the surface of which is knurled, toothed with thread, or can be roughened in some other way and which is fastened to the inner wall of the inner part 3 by supporting webs 41 extending by heat sinking or screwing in becomes.

Durch die zuletzt erwähnten Maßnahmen zur Befestigung von Scharnier- und Abstützbeschlägen, deren Einzelheiten dem Fachmann bei Kunststoffkonstruktionen an sich bekannt sind, wird bei der erfindungsgemäßen Auslegung der Heckklappe eine möglichst minimale Anordnung von metallischen Verstärkungsbauteilen sichergestellt.The last-mentioned measures for fastening hinge and support fittings, the details of which are known per se to a person skilled in the art of plastic constructions, ensure that the tailgate is designed to be as minimal as possible of metallic reinforcement components.

Die aus Figur 4 ersichtliche Verbindung zwischen dem Aussenteil 2 und dem Innenteil 3 über die miteinander verrasteten Hülsenabschnitte, der Schließzylinderaufnahme 19 und dem Hülsenansatz 20 bilden eine sichere Abstützung des Schloßzylinders gegen einen Aufbruchversuch durch Hineinstoßen des Schloßzylinders.The connection shown in Figure 4 between the outer part 2 and the inner part 3 via the interlocked sleeve sections, the lock cylinder receptacle 19 and the sleeve extension 20 form a secure support of the lock cylinder against an attempt to break open by pushing the lock cylinder.

Weiterhin kann benachbart dem Hülsenansatz 20 eine Konsole 24 zur Lagerung eines Betätigungsgestänges am Innenteil 3 mitangeformt werden.Furthermore, a bracket 24 for mounting an actuating linkage on the inner part 3 can also be formed adjacent to the sleeve extension 20.

Claims (8)

  1. A double-walled bodywork component of plastics material for motor vehicles, in particular a door or tailgate component, [comprising] an outer part injection-moulded from a thermoplastic synthetic material and an inner part of the same material which are joined together along mutually touching edge areas, the mutually touching outer areas and inner edge areas comprising flat fastening areas in each case and adjacent web areas which extend approximately at right angles thereto and on which the adhesive coating or the adhesion welding join is applied, characterized in that
    - the flat edge areas (9) on the outer part (2) are formed by depressions (14) extending around the periphery of the window opening in the region of window devices (13) and
    - the flat edge areas (10) on the inner part (3) are formed by depressions extending around the periphery of the window opening in the region of window devices (13) and by inner and outer edge webs (12 and 15 respectively) extending approximately at right angles thereto, as a result of which
    - the adhesive join (16) of the glass pane (13) lies sunk and the glass pane (13) lies externally flush with the surface of the bodywork, and
    - the edge webs (12 and 15) form a receiving space for the adhesive coating and
    - the edge web (15) forms a stop for the glass pane (13) and an inner visual covering for the adhesive join (16).
  2. A bodywork component according to Claim 1, characterized in that in the region of a lock arrangement (18) on the component (1) the internal part (3) is formed in the manner of a funnel in the direction towards the outer part (2) comprising a lock cylinder receiving means (19) and comprises a sleeve attachment (20) which extends concentrically to the lock cylinder receiving means (19) and which with the lock cylinder receiving means (19) engages the outer part (2) and the inner part (3) in a centring manner and/or is glued or welded thereto, and surface areas (21), which lie parallel to the inner surface of the outer part (2) and which are additionally joined to the outer part (2) by the possible application of adhesive or by adhesive welding, are provided on the inner part (3).
  3. A bodywork component according to Claim 2, characterized in that in the region of a windscreen wiper motor device (26) on the component (1) the inner part (3) is formed in the manner of a funnel in the direction towards the outer part (2) comprising a wiper shaft receiving means (27) and forms approximately concentric surface areas (28 and 29) which lie parallel to the inner surface of the outer part (2) and which are joined by an adhesive coating (30) or by adhesion welding to the outer part (2).
  4. Bodywork components according to Claims 1 to 3, characterized in that on the inner part (3) a hinge part is formed by a plurality of outwardly projecting bracket clips (33), the bracket clips (33) being combined on a base (34) in each case and joined to the outer part (2) by way of an adhesive coating (35) or by adhesion welding, and the bracket clips (33) on the inner part (3) being supported by way of reinforcement webs (17) which extend transversely to the channel-shaped region of the inner part (3).
  5. A bodywork component according to Claims 1 to 3, characterized in that on the inner part (3) a plurality of support webs (41) are formed extending at right angles to a lateral wall in the channel-shaped region of the said inner part (3) and a support fitting (38) is anchored therein with its pin portion (40), the ball end (39) of which is provided for supporting a pneumatic spring for the tailgate.
  6. A bodywork component according to Claims 1 to 5, characterized in that closely adjacent webs which are combined into groups and which are glued or welded to the outer part (2) are attached preferably at force application points and also in the region of curved hollow cross-sections.
  7. A bodywork component according to Claims 1 to 5, characterized in that the cavity between the inner and the outer parts (3 and 2) is completely or partially filled with foam.
  8. A bodywork component according to Claims 1 to 3, characterized in that the outer part (2) has an integrally formed handle.
EP87113070A 1986-11-05 1987-09-08 Plastic sandwich body element for a motor vehicle Expired - Lifetime EP0266514B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863637622 DE3637622A1 (en) 1986-11-05 1986-11-05 DOUBLE-WALLED PLASTIC BODY COMPONENT FOR MOTOR VEHICLES
DE3637622 1986-11-05

Publications (3)

Publication Number Publication Date
EP0266514A2 EP0266514A2 (en) 1988-05-11
EP0266514A3 EP0266514A3 (en) 1988-11-30
EP0266514B1 true EP0266514B1 (en) 1991-05-15

Family

ID=6313189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87113070A Expired - Lifetime EP0266514B1 (en) 1986-11-05 1987-09-08 Plastic sandwich body element for a motor vehicle

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US (1) US4822098A (en)
EP (1) EP0266514B1 (en)
JP (1) JPS63151518A (en)
CA (1) CA1292027C (en)
DE (2) DE3637622A1 (en)
ES (1) ES2023160B3 (en)

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Also Published As

Publication number Publication date
DE3637622C2 (en) 1992-07-09
ES2023160B3 (en) 1992-01-01
JPS63151518A (en) 1988-06-24
EP0266514A2 (en) 1988-05-11
CA1292027C (en) 1991-11-12
DE3770119D1 (en) 1991-06-20
EP0266514A3 (en) 1988-11-30
US4822098A (en) 1989-04-18
DE3637622A1 (en) 1988-05-19

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